Osteospermum. } COMPOSITE (Harv.) 435 
Erect, scabrous ; lvs. clasping at base, linear- 
acuminate, few-toothed, erect; rays 2-ce as 
long as inv. + (21) subauritum. 
Erect, glabrescent; Ivs. lin.-lanceolate, acum- 
inate to each end, 2-3-toothed ; rays 4 times 
aslongasinv. .. -.- (22) grandifiorum. 
Herbaceous, erect, branching ; lvs. ‘remote, lanceo- — 
late, sessile, sub. dentate, Pee 3 achenes 
minutely winged... -- (23) plebeium. 
Herbaceous, leafy at crown; "stems erect, simple, 
one- headed ; lower lvs. oblongo- -lanceolate, petio- 
Tate, remotely denticulate, puberulous... ... (24) caulescens. 
§ 5. Drverstrorta. Stems herbaceous, rigid, branching, angled and furrowed; 
radical and lowest lvs. linear-lanceolate, tapering much at base, few-toothed, cob- 
webby beneath; rameal leaves sparse, linear-subulate. (Sp. 25-26.) 
Lower lvs. smooth above; achenes withsmooth 
angles ... --- (25) bidens. 
Lower lvs. scabrous above; - achenes with tuber- 
cled angles ... ... ... (26) lavandulaceum. 
§ 6. SupuLirotia. Small, branching shrubs or suffrutices, all the leaves linear- 
subulate, entire, acute, scabrous, glabrous or ee (Sp. 27-30.) 
Rough with "glandular-bristles oes --. (27) glandulosum. 
Leaves close-set, keeled, rough with hard points 
not glandular... .-+ .. (28) Seabrum. 
Leaves close-set, sharply- keeled, smooth, i 
not revolute .. -- + (29) triquetrum. 
Leaves close-set, with subrevolute ) margins, the 
adult reflexed ... . ... (30) subulatum. 
§ 7. Porycarina. Small shrubs or suffrutices, with coriaceous, glabrous, quite 
entire, margined leaves ; the margin smooth or scabro-ciliolate ; pedicels mostly gland- 
hispid or viscid. (Sp. 31-38. ) 
Leaves broad-based, ovate, oblong, oblongo-lanceolate, strapshaped or linear : 
Achenes smooth (neither rigid, furrowed nor sharp-angled) : 
Leaves acuminate, lower linguzeform 4-5 
in. long, wu lanceolate ; pedic 
Wee Se age we +. (31) Burchellii. 
Leaves mucronate, linear-oblong orlinear, 
not an inch long; branches one-headed (32) polygaloides. 
Achenes with 9 blunt ridges, furrowed and 
pitted between ... .. «-. (33) imbricatum. 
tence subangular, obtuse, ridge-netted across (34) retirugum, 
Achenessharply 3-angled, cross-ridged and furrowed betweentheangles: 
Lys. ovate, oblong, or obovate, not much 
longer than broad... (35) corymbosum. 
Lys. linear-lingulate or linear- oblong, the 
the lower ones many times longer than 
broad, all strongly nerved and margined (36) nervatum, 
Leaves lanceolate, tapering at base, subacute; inv. 
sc. acuminate... = . (37) lanceolatum. 
Leaves (small) lance-linear, acuminate, m mucrons\ : 
inv. sc. oblong, sub-obtuse big .. (38) microphyllum, 
§ x. Opposrrironia. (Sp. 1.) 
1. 0. herbaceum (Linn, f, Suppl. 385); stem herbaceous, erect, terete, 
hispidulous; leaves mostly " opposite (the uppermost rameal sometimes 
alternate), sessile or subsessile, cuneate attenuate, and either acute or 
sub-cordate at base, ovate or rhomboid, from the middle coarsely few- 
28* 
